Home / 1,637.46-2,257.80-1,195.56

Finding the Fourth Proportional to 1,637.46, 2,257.80 and 1,195.56

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Solution

The fourth proportional to 1,637.46, 2,257.80 and 1,195.56 is: 1,648.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.46 : 2,257.80 = 1,195.56 : x
  2. Step 2: Convert to fraction form
    1,637.46/2,257.80 = 1,195.56/x
  3. Step 3: Cross multiply
    1,637.46x = 2,257.80 × 1,195.56
  4. Step 4: Simplify right side
    1,637.46x = 2,699,335.37
  5. Step 5: Solve for x
    x = 2,699,335.37/1,637.46
  6. Step 6: Final answer
    x = 1,648.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.